.error{
  width: 400px;
  height: 300px;
  margin: 240px auto;
  border: 1px solid #9f9f9f;
  border-radius: 10px;
}
.title-error{
  text-align: center;
  color:black;
  font-size: 18px;
  opacity: 0.7;
}
.content-error{
  padding: 15px 20px;
}
.msg-href{
  margin-top:100px;
  margin-left: 60%;
}
.msg-href::after{
  content: attr(data);
}
